CN112964158B - Parallel measurement tool and measurement method for rotary oil absorption mechanism - Google Patents

Parallel measurement tool and measurement method for rotary oil absorption mechanism Download PDF

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Publication number
CN112964158B
CN112964158B CN202110173617.3A CN202110173617A CN112964158B CN 112964158 B CN112964158 B CN 112964158B CN 202110173617 A CN202110173617 A CN 202110173617A CN 112964158 B CN112964158 B CN 112964158B
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China
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block
positioning block
base
measuring
rotary oil
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CN112964158A (en
Inventor
陈祥鑫
于丽丽
刘�东
赵林
杨西中
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AECC Harbin Dongan Engine Co Ltd
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AECC Harbin Dongan Engine Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/24Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/003Measuring of motor parts

Abstract

The invention belongs to the technical field of aircraft engine assembly, and particularly relates to a parallel measurement tool and method for a rotary oil absorption mechanism. The measuring tool comprises: the base is of a plate-shaped structure and comprises an installation plate fixing part and a connecting part, and the installation plate of the rotary oil absorption mechanism is fixed on the installation plate fixing part; one end of the positioning block is connected with the base connecting part, and the other end of the positioning block is provided with a square through groove which is vertical to the mounting surface of the mounting plate fixing part; and the shape of the gauge block is the same as that of the square through groove. The parallel condition of the rotary oil absorption mechanism mounting plate can be measured quickly and effectively by transferring the measuring plane, and the detection efficiency is improved.

Description

Parallel measurement tool and measurement method for rotary oil absorption mechanism
Technical Field
The invention belongs to the technical field of assembly of aero-engines, and particularly relates to a parallel measuring tool and method for a rotary oil absorption mechanism.
Background
The 2 sides of current rotatory oil absorption mechanism include 2 mounting panels, fix respectively on 2 rotary mechanism, are equipped with the adjusting washer in the middle of 2 rotary mechanism. 2 rotary mechanism pass through screw thread fixed connection, through the thickness of the adjusting the packing ring of apolegamy, change the cooperation length of screw thread to 2 rotary mechanism's relative rotation angle has been adjusted, until make the both sides mounting panel parallel.
Because the mounting plates on the two sides are not on the same measuring plane in space, the existing measuring tool cannot measure and detect parallelism and can only detect parallelism by means of a three-coordinate measuring machine, if the parallelism is not parallel, the thickness of the gasket needs to be selected again, the measurement is continued after the completion, and the measurement and the adjustment are repeated until the measurement is qualified. Due to the reasons of equipment occupancy and the like, the three-coordinate measuring machine has long waiting time for parallel measurement and long duration of multiple measurements, and the product development progress is seriously influenced.
Disclosure of Invention
The purpose of the invention is as follows: the parallel measuring tool and method for the rotary oil absorption mechanism are provided, so that the parallel condition of the mounting plate of the rotary oil absorption mechanism can be measured quickly and effectively, and the detection efficiency is improved.
The technical scheme is as follows:
in a first aspect, a parallel measurement tool for a rotary oil absorption mechanism is provided for measuring the parallelism between a mounting plate of the rotary oil absorption mechanism and a mounting edge of the oil absorption mechanism, and the measurement tool includes: the base is of a plate-shaped structure and comprises an installation plate fixing part and a connecting part, and the installation plate of the rotary oil absorption mechanism is fixed on the installation plate fixing part; one end of the positioning block is connected with the base connecting part, and the other end of the positioning block is provided with a square through groove which is vertical to the mounting surface of the mounting plate fixing part; the shape of the gauge block is the same as that of the square through groove.
Furthermore, the side wall of the square groove is provided with a threaded through hole for fixing the gauge block through a nut.
Furthermore, waist-shaped grooves are formed in the positioning block and the base connecting portion, and the positioning block is connected with the base connecting portion through screws and positioning pins.
Further, the parallelism of two opposite surfaces of the square through groove is less than 0.02.
Furthermore, a mounting hole is formed in the base corresponding to the mounting hole of the mounting plate of the rotary oil absorption mechanism and used for fixing the mounting plate.
Further, the mounting plate of the rotary oil absorption mechanism is connected with the fixing part of the mounting plate through a bolt so as to ensure the close fit with the base.
Further, the base connecting part is parallel to the central line of the rotary oil suction mechanism.
Furthermore, the base is of an F-like plate-shaped structure, the connecting part comprises a first connecting part and a second connecting part, the positioning block comprises a first positioning block and a second positioning block, the measuring block comprises a first measuring block and a second measuring block, the first positioning block is an L-shaped positioning block, one end of the first positioning block is connected with the first connecting part of the base, the other end of the first positioning block is provided with a first square through groove, and the first square through groove is perpendicular to the fixing part of the mounting plate; the second positioning block is of a cuboid structure, one end of the second positioning block is connected with the second connecting part of the base, and the other end of the second positioning block is provided with a second square through groove which is vertical to the fixing part of the mounting plate; the first gauge block is matched with the first square through groove; the second gauge block is matched with the second square through groove.
In a second aspect, there is provided a parallel measurement method of a rotary oil absorption mechanism, the method being performed by the measurement tool described above, the method including: fixing a positioning block on the base by using a screw and a cylindrical pin; fixing a rotary oil absorption mechanism on a base; and inserting a gauge block into the square through groove of the positioning block, adjusting the position of the gauge block by using a nut and fixing, and determining a parallel detection result according to the fitting degree of the gauge block and the measuring surface of the rotary oil absorption mechanism.
Further, insert the gage block in the square logical groove of locating piece, adjust the position of gage block and fix with the nut, measure the face laminating degree according to gage block and rotatory oil absorption mechanism, confirm parallel testing result, specifically include: inserting a first gauge block into the square through groove of the first positioning block, adjusting and fixing the position of the first gauge block by using a nut, and determining a first parallel detection result according to the fitting degree of the first gauge block and the measuring surface of the rotary oil absorption mechanism; under the condition that the first parallel detection result meets the requirement, inserting a second gauge block into the square through groove of the second positioning block, adjusting and fixing the position of the second gauge block by using a nut, and determining a second parallel detection result according to the fitting degree of the second gauge block and the measuring surface of the rotary oil absorption mechanism; under the condition that the first parallel detection result and the second parallel detection result meet the requirements, the mounting plates on the two sides of the rotary oil absorption mechanism are parallel.
Has the beneficial effects that:
by the parallel detection measuring tool and the measuring process method, the parallel condition of the mounting plate of the rotary oil absorption mechanism can be quickly and effectively measured by transferring the measuring plane, and the detection efficiency is improved.
Drawings
Fig. 1 is a structural and operational schematic diagram of a parallel measurement tool of a rotary oil suction mechanism according to an embodiment of the invention.
The positioning device comprises a base 1, a bolt 2, a washer 3, a first nut 4, a second nut 9, a first screw 5, a second screw 12, a cylindrical pin 6, a first positioning block 7, a second positioning block 11, a first measuring block 8 and a second measuring block 10.
Detailed Description
Because the existing rotary oil suction mechanism can only be used for detection by means of a three-coordinate measuring machine. Due to the reasons of equipment occupancy and the like, the three-coordinate measuring machine has long waiting time for parallel measurement and long duration of multiple measurements, and the product development progress is seriously influenced. Meanwhile, the thickness of the mounting plate on one side of the measuring datum plane is small, and the mounting plate is easy to deform after being mounted and fixed, so that the accuracy of parallel measurement is influenced. The invention provides a parallel measuring tool of a rotary oil absorption mechanism, aiming at solving the problems. The original mounting holes on the rotary oil absorption mechanism mounting plate are utilized for multi-point positioning, so that the measuring error caused by deformation of the mounting plate is avoided, and the product assembly quality is ensured.
According to the embodiment of the invention, the parallel measuring tool of the rotary oil absorption mechanism is used for measuring the parallelism between the mounting plate of the rotary oil absorption mechanism and the mounting edge of the oil absorption mechanism, and comprises: the base is of a plate-shaped structure and comprises an installation plate fixing part and a connecting part, and the installation plate of the rotary oil absorption mechanism is fixed on the installation plate fixing part; one end of the positioning block is connected with the base connecting part, and the other end of the positioning block is provided with a square through groove which is vertical to the mounting surface of the mounting plate fixing part; the shape of the gauge block is the same as that of the square through groove. The measuring surface is transferred through the positioning block, and the parallelism is convenient to measure by transferring the measuring surface, so that the measuring efficiency is improved.
In one possible embodiment of the invention, the side wall of the square groove is provided with a threaded through hole for fixing the gauge block by a nut. The measuring block is fixed by the nut, so that the parallelism measurement is facilitated, and the measurement accuracy is ensured.
In one possible embodiment of the present invention, the positioning block and the base connecting portion are both provided with a waist-shaped groove, and the positioning block and the base connecting portion are connected by a screw and a positioning pin. The relative position of the positioning block and the base can be adjusted through the length of the waist-shaped groove, and therefore the alignment of the measuring block and the surface to be measured can be achieved.
In one possible embodiment of the invention, the parallelism of the two opposite faces of the square through groove is less than 0.02. The accuracy of measurement is guaranteed.
In one possible embodiment of the invention, mounting holes are arranged on the base corresponding to the mounting holes of the mounting plate of the rotary oil absorption mechanism, and are used for fixing the mounting plate. The mounting hole of make full use of mounting panel self has avoided the measuring error who leads to because of the mounting panel warp, guarantees product assembly quality.
In one possible embodiment of the invention, the mounting plate of the rotary oil suction mechanism is connected with the mounting plate fixing part through bolts so as to ensure the close fit with the base.
In one possible embodiment of the invention, the base connecting part is parallel to the central line of the rotary oil suction mechanism. Avoiding interference with the central shaft parts.
In one possible embodiment of the invention, the base is of an F-like plate-shaped structure, and the connecting part comprises a first connecting part and a second connecting part, the positioning block comprises a first positioning block and a second positioning block, and the gauge block comprises a first gauge block and a second gauge block, wherein the first positioning block is an L-shaped positioning block, one end of the first positioning block is connected with the first connecting part of the base, and the other end of the first positioning block is provided with a first square through groove which is perpendicular to the fixing part of the mounting plate; the second positioning block is of a cuboid structure, one end of the second positioning block is connected with the second connecting part of the base, and the other end of the second positioning block is provided with a second square through groove which is vertical to the fixing part of the mounting plate; the first gauge block is matched with the first square through groove; the second gauge block is matched with the second square through groove. The accuracy of measurement is ensured through twice detection, and the measurement precision and accuracy are improved.
In a second aspect, an embodiment of the present invention provides a parallel measurement method for a rotary oil suction mechanism, where the method is performed by using the above measurement tool, and the method includes: fixing a positioning block on the base by using a screw and a cylindrical pin; fixing the rotary oil absorption mechanism on the base; and inserting a gauge block into the square through groove of the positioning block, adjusting the position of the gauge block by using a nut and fixing, and determining a parallel detection result according to the fitting degree of the gauge block and the measuring surface of the rotary oil absorption mechanism.
In one possible embodiment of the present invention, a gauge block is inserted into the square through groove of the positioning block, the position of the gauge block is adjusted and fixed by a nut, and the parallel detection result is determined according to the degree of adhesion between the gauge block and the measuring surface of the rotary oil absorption mechanism, which specifically includes: inserting a first gauge block into the square through groove of the first positioning block, adjusting and fixing the position of the first gauge block by using a nut, and determining a first parallel detection result according to the fitting degree of the first gauge block and the measuring surface of the rotary oil absorption mechanism; under the condition that the first parallel detection result meets the requirement, inserting a second gauge block into the square through groove of the second positioning block, adjusting and fixing the position of the second gauge block by using a nut, and determining a second parallel detection result according to the fitting degree of the second gauge block and the measuring surface of the rotary oil absorption mechanism; under the condition that the first parallel detection result and the second parallel detection result meet the requirements, the mounting plates on the two sides of the rotary oil absorption mechanism are parallel.
The following detailed description is made with reference to the accompanying drawings:
the rotary oil absorption mechanism parallel measuring tool according to one embodiment comprises a base 1, a bolt 2, a washer 3, a first nut 4, a second nut 9, a first screw 5, a second screw 12, a cylindrical pin 6, a first positioning block 7, a second positioning block 11, a first measuring block 8 and a second measuring block 10. The base 1 is used for supporting the rotary oil absorption mechanism, is matched with a measuring surface and converts the measuring reference surface. The bolt 2, the washer 3, the nut 4 and the screw 12 are used for fixing the rotary oil absorption framework on the base 1. The first gauge block 8 and the second gauge block 10 are respectively attached to the other measuring surface of the rotary oil absorption framework and used for detecting the parallelism of the rotary oil absorption framework. The first positioning block 7 and the second positioning block 11 are precisely matched with the base 1 and are provided with placing openings for the first measuring block 8 and the second measuring block 10. The screw 5 and the cylindrical pin 6 are used for fixing the first positioning block 7 and the second positioning block 11 on the base 1. The two nuts 9 are respectively used for adjusting and fixing the first positioning block 7 and the second positioning block 11.
A parallel measurement method of a rotary oil absorption mechanism comprises the steps of fixing a positioning block on a base 1 through a screw 5 and a cylindrical pin 6, and fixing a rotary oil absorption mechanism on the base 1 through a bolt 2, a washer 3, a nut 4 and a screw 12. A first measuring block 8 and a second measuring block 10 are respectively inserted into the first positioning block 7 and the second positioning block 11, the positions of the first measuring block 8 and the second measuring block 10 are adjusted and fixed by nuts 9, and parallel detection results are evaluated by checking the fitting degree of the first measuring block 8 and the second measuring block 10 with the measuring surface of the rotary oil absorption mechanism.
The working principle is as follows: one side of the rotary oil suction mechanism is installed on a plate and is fixed on the base 1 through a bolt 2, a washer 3, a nut 4 and a screw 12. The first positioning block 7 and the second positioning block 11 are fixed on the base 1 through the first screw 5 and the cylindrical pin 6, so that the conversion of the measuring reference is realized. Inserting a first gauge block 8 into the first positioning block 7 until the lower end face of the first gauge block 8 is contacted with the other mounting plate of the rotary oil absorption mechanism, slightly screwing a nut 9 at the moment, fixing the position of the first gauge block 8, and recording the current measurement condition; meanwhile, the second measuring block 10 is inserted into the second positioning block 11 until the lower end face of the second measuring block 10 is contacted with the other mounting plate of the rotary oil absorption mechanism, the nut 9 is slightly screwed at the moment, the position of the second measuring block 10 is fixed, and the current measuring condition is recorded. Whether the 2 mounting plates of the rotary oil absorption mechanism are parallel or not is judged according to the contact condition of the first measuring block 8 and the second measuring block 10 and the other mounting plate of the rotary oil absorption mechanism. If the parallel connection is not achieved, the rotary western-swimming mechanism is detached and disassembled, the thickness of the adjusting washer in the middle of the 2 rotary mechanisms is continuously adjusted, and the measuring operation steps are repeated until the parallel connection is achieved. The parallel condition of the mounting plate of the rotary oil absorption mechanism can be quickly and effectively measured through the parallel measuring device, and the detection efficiency is improved.

Claims (8)

1. The utility model provides a rotatory oil absorption mechanism parallel measurement instrument which for measure the depth of parallelism of rotatory oil absorption mechanism's mounting panel and oil absorption mechanism installation limit, measuring tool includes:
the oil suction device comprises a base (1), wherein the base (1) is of a plate-shaped structure, the base (1) comprises an installation plate fixing part and a connecting part, and an installation plate of a rotary oil suction mechanism is fixed on the installation plate fixing part;
one end of the positioning block is connected with a connecting part of the base (1), and the other end of the positioning block is provided with a square through groove, and the side wall of the square through groove is provided with a threaded through hole for fixing the gauge block through a nut;
the shape of the gauge block is the same as that of the square through groove,
the base (1) is of an F-like plate-shaped structure, the connecting portion comprises a first connecting portion and a second connecting portion, the positioning block comprises a first positioning block (7) and a second positioning block (11), the measuring block comprises a first measuring block (8) and a second measuring block (10), the first positioning block (7) is an L-shaped positioning block, one end of the first positioning block is connected with the first connecting portion of the base (1), and the other end of the first positioning block is provided with a first square through groove; the second positioning block (11) is of a cuboid structure, one end of the second positioning block is connected with the second connecting part of the base (1), and the other end of the second positioning block is provided with a second square through groove; the first gauge block (8) is matched with the first square through groove; the second gauge block (10) is matched with the second square through groove.
2. The measuring tool according to claim 1, characterized in that the connecting parts of the positioning block and the base (1) are provided with a waist-shaped groove, and the connecting parts of the positioning block and the base (1) are connected through a screw and a positioning pin.
3. The measurement tool of claim 1, wherein two opposing faces of the square through slot are less than 0.02 parallel.
4. The measuring tool according to claim 1, wherein a mounting hole is provided on the base (1) at a position corresponding to the mounting hole of the mounting plate of the rotary oil sucking mechanism for fixing the mounting plate.
5. The measuring tool according to claim 1, wherein the mounting plate of the rotary oil suction mechanism is bolted to the mounting plate fixing portion to ensure a tight fit with the base (1).
6. The measuring tool according to claim 1, characterized in that the connection of the base (1) is parallel to the rotary oil suction mechanism centre line.
7. A rotary oil suction mechanism parallel measurement method, characterized in that the method is performed by means of the measurement tool of any one of claims 2 to 6, the method comprising:
fixing a positioning block on a base (1) by using a screw and a cylindrical pin (6);
fixing a rotary oil suction mechanism on a base (1);
and inserting a gauge block into the square through groove of the positioning block, adjusting the position of the gauge block by using a nut and fixing, and determining a parallel detection result according to the fitting degree of the gauge block and the measuring surface of the rotary oil absorption mechanism.
8. The method according to claim 7, wherein the measuring block is inserted into the square through groove of the positioning block, the position of the measuring block is adjusted and fixed by a nut, and the parallel detection result is determined according to the fitting degree of the measuring surface of the measuring block and the rotary oil absorption mechanism, and specifically comprises the following steps:
inserting a first gauge block (8) into the square through groove of the first positioning block (7), adjusting the position of the first gauge block (8) by using a nut and fixing, and determining a first parallel detection result according to the fitting degree of the first gauge block (8) and the measuring surface of the rotary oil absorption mechanism;
under the condition that the first parallel detection result meets the requirement, inserting a second gauge block (10) into the square through groove of the second positioning block (11), adjusting and fixing the position of the second gauge block (10) by using a nut, and determining a second parallel detection result according to the fit degree of the second gauge block (10) and the measuring surface of the rotary oil absorption mechanism;
under the condition that the first parallel detection result and the second parallel detection result both meet the requirements, the mounting plates on the two sides of the rotary oil absorption mechanism are parallel.
CN202110173617.3A 2021-02-09 2021-02-09 Parallel measurement tool and measurement method for rotary oil absorption mechanism Active CN112964158B (en)

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